横向
1
Ancient empire that conquered much of Europe
4
Long and distinct period of history
5
Exchange of goods between peoples
6
Armored warrior of medieval times
7
Object made by humans from the past
12
Handwritten historical document
13
Period of one hundred years
纵向
2
Fortified medieval residence
3
Government ruled by a king or queen
8
Government by the people
9
Person with no fixed home
10
Payment made to show submission
11
Practice of farming and growing food